Dumb Question?!

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24 Jan 2013 02:41 #568909 by badrhino
Dumb Question?! was created by badrhino
I have always wondered about Yamaha Carbs and how they worked. How does a V-max carburetor work when it is mounted Horizontal? I guess the main question is, How do the float bowls hold any fuel in them at that angle?
1980 KZ1000 with a 1982 KZ1000J motor with 1100 pistons and heads, Vance & Hines, 29MM Smooth Bores, Work in Progress
Franken Z!

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  • donthaveakawman
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24 Jan 2013 03:00 #568910 by donthaveakawman
Replied by donthaveakawman on topic Dumb Question?!
oh, yeah sure blame it all on the question.

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24 Jan 2013 03:50 #568912 by steell
Replied by steell on topic Dumb Question?!
They have the float bowls mounted at an angle.

Carbs mount at all kinds of angles, even updraft.
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24 Jan 2013 04:16 #568913 by mick z1a
Replied by mick z1a on topic Dumb Question?!

donthaveakawman wrote: oh, yeah sure blame it all on the question.

:lol: :lol:

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24 Jan 2013 15:06 #568977 by badrhino
Replied by badrhino on topic Dumb Question?!
Better have another look. They must use a totally different float system.
1980 KZ1000 with a 1982 KZ1000J motor with 1100 pistons and heads, Vance & Hines, 29MM Smooth Bores, Work in Progress
Franken Z!

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24 Jan 2013 15:26 - 24 Jan 2013 15:30 #568980 by badrhino
Replied by badrhino on topic Dumb Question?!
I tried to upload an image but it wont let me.

Yes, and updraft carbs are built totally different to work properly. These carbs on the Vmax look just like CV carbs mounted horizontally. Float bowls are not angled however the inside I'm sure is totally different.
1980 KZ1000 with a 1982 KZ1000J motor with 1100 pistons and heads, Vance & Hines, 29MM Smooth Bores, Work in Progress
Franken Z!
Last edit: 24 Jan 2013 15:30 by badrhino.

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24 Jan 2013 16:22 #568984 by Patton
Replied by Patton on topic Dumb Question?!

badrhino wrote: I tried to upload an image but it wont let me....

Firefox version 17 works just fine as always, but there are on-going image posting issues with later Firefox versions.

Good Fortune! :)
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24 Jan 2013 16:59 #568986 by Lorcan
Replied by Lorcan on topic Dumb Question?!

badrhino wrote: I have always wondered about Yamaha Carbs and how they worked. How does a V-max carburetor work when it is mounted Horizontal?


I think you mean vertical?

Remember there are no stupid questions, only stupid people... ;)
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24 Jan 2013 17:33 #568988 by donthaveakawman
Replied by donthaveakawman on topic Dumb Question?!
I was always instructed that there is no such thing as a dumb question, now it's like....wow.

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24 Jan 2013 23:50 #569096 by badrhino
Replied by badrhino on topic Dumb Question?!
I think you better learn what horizontal and vertical mean. Vertical is how the carbs on a KZ or any other inline are mounted. Horizontal is sideways laying flat.

dictionary.reference.com/browse/horizontal
1980 KZ1000 with a 1982 KZ1000J motor with 1100 pistons and heads, Vance & Hines, 29MM Smooth Bores, Work in Progress
Franken Z!
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24 Jan 2013 23:58 #569099 by Motor Head
Replied by Motor Head on topic Dumb Question?!

badrhino wrote: I have always wondered about Yamaha Carbs and how they worked. How does a V-max carburetor work when it is mounted Horizontal? I guess the main question is, How do the float bowls hold any fuel in them at that angle?


Are you thinking of these?


If so, these are a different Down Draft configuration. You can see the float bowls are nearly at the same level as the venturi, quite different. Haven't worked on any but the basics still apply.
1982 KZ1000LTD K2 Vance & Hines 4-1 ACCEL COILS Added Vetter fairing & Bags. FOX Racing rear Shocks, Braced Swing-arm, Fork Brace, Progressive Fork Springs RT Gold Emulators, APE Valve Springs, 1166 Big Bore kit, RS34's, GPZ cams.
1980 KZ550LTD C1 Stock SOLD Miss it
1979 MAZDA RX7 in the works, 13B...
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25 Jan 2013 00:09 #569102 by badrhino
Replied by badrhino on topic Dumb Question?!
Close, but I can actually see slanted float bowls on those. Here are the ones I am talking about.


1980 KZ1000 with a 1982 KZ1000J motor with 1100 pistons and heads, Vance & Hines, 29MM Smooth Bores, Work in Progress
Franken Z!
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